Sawke Optical Tactical 30mm RifleScope Mount Rings,1"/2PCs Medium Profile for 20mm Picatinny Weaver Rails Mounting to a Picatinny or Weaver type rail, the rings are a nice match for general hunting setupssuch as UTG 3-12X44 30mm Compact Scope. High quality synthetic protective tape used on the rings internal surface, prevent sliding and holding postion accurately. Perfect for mounting red-dot optics, magnifiers, and other accessories with 30mm tube diametersto your picatinny rail. Sold two rings per package.